What is the purpose of stablization resistor in high impedance bus bar protection
Electrical Engineering 1518What is purpose of reactor?.What is different between line and bus reactor?
Electrical Engineering 1467During Load testing of battery charger with temporary AC Generator .When reach 70% load Generator immediately shutdown .we could not able to Recognize ,what is exactly problem .Please kindly clarify us
1 Electrical Engineering 2456what is the purpose of high speed earth switch in gas insulated substat
ABB,
Electrical Engineering 2529What is different between Difnit time and instatous over current relay
NCC,
Electrical Engineering 1972Can you any explain about active,reactive and apparent power in power system with example.
1 Electrical Engineering 2058
Question { Sarhad University, 25033 }
why we step up voltage for reducing the loss, even if
voltage and current are proportional anr resistance remains
same
Answer
Is This Answer Correct ? | 4 Yes | 5 No |
Question { 7372 }
why we used to transmitt the power at higher voltage why
not at lower voltage
Answer
Is This Answer Correct ? | 2 Yes | 0 No |
what is the difference between the 94 lockout relay and 86
lock out relay. I have noticed that the 94 lockout relay is
activated when the distance realy is activated and 86 is
activated when the 87T differential is activated. but why
can't the same lockouts be used for both the protection
schemes
Answer
Is This Answer Correct ? | 39 Yes | 21 No |
Question { 21915 }
What is the expansion valve in HVAC & How it
works ????????????
Answer
Is This Answer Correct ? | 28 Yes | 75 No |
Question { Bureau Veritas, 5268 }
What may be happen if neutral and earth is shorted in a
substation
Answer
Is This Answer Correct ? | 6 Yes | 2 No |
What is difference between MCB,MCCB,ELCB and RCCB?
Brief description and why RCCB is costly?
Answer
Is This Answer Correct ? | 3 Yes | 0 No |
Question { 2976 }
Why we apply 100ADC for contact resistance measurement?.If we apply AC what will happen
Answer
Is This Answer Correct ? | 0 Yes | 0 No |
Question { 2976 }
Why we apply 100ADC for contact resistance measurement?.If we apply AC what will happen
Answer
Is This Answer Correct ? | 0 Yes | 0 No |